Anup Shah / Western chimpanzee (Pan troglodytes verus) juvenile female 'Joya' aged 6 years carrying rocks while walking on hind legs, Bossou Forest, Mont Nimba, Guinea. January 2011.

Karine Aigner / Two women with bundles of Sal leaves they have collected from the community forest; the leaves will be used to make bowls to eat from. Each villager is allowed to take an allotment of resources from t...

Karine Aigner / Bundle ofSal leaves collected from forest by local women to make bowls, Bardia National Park, Terai, Nepal.

Karine Aigner / Two local women tying up a bundle of Sal leaves collected from the forest. The leaves will be used for bowls. Each villager is allowed to take an allotment of resources from the forest each weekend, d...

Karine Aigner / Two women sitting at the entrance to the community forest with a pile of Sal leaves they have collected. The leaves will be used for bowls. Each villager is allowed an allotment of resources from the...

Franco Banfi / Spiny starfish (Marthasterias glacialis), Sponge (Sarcotragus foetidus) and Red gorgonian (Paramuricea clavata) colonising the crossbars of a sunken electricity pylon that fell into the sea during a s...

Franco Banfi / Red and yellow gorgonian (Paramuricea clavata) and Sponge (Sarcotragus foetidus) colonising the crossbars of a sunken electricity pylon that fell into the sea during a storm, Capri Island, Costa Amalf...

Franco Banfi / Shoal of Mediterranean Fairy basslet (Anthias anthias) swimming between Red gorgonian (Paramuricea clavata) that have colonised the crossbars of a sunken electricity pylon that fell into the sea durin...

Franco Banfi / Shoal of Mediterranean Fairy basslet (Anthias anthias) swimming between Red gorgonian (Paramuricea clavata) that have colonised the crossbars of a sunken electricity pylon that fell into the sea durin...

Eric Baccega / Male Chimpanzee (Pan troglodytes troglodytes) trying to catch fallen fruits using stick as a tool, Conkouati-Douli National Park, Democratic Republic of Congo, Africa.

Tui De Roy / Darwin's woodpecker finch (Cactospiza pallida) using twig as tool to extract beetle grub from dead branch, Santa Cruz Island, Galapagos, South America.

Tui De Roy / Darwin's woodpecker finch (Cactospiza pallida) using twig as tool to extract beetle grub from dead branch, Santa Cruz Island, Galapagos, South America.